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PDF SPFBFT00303 Data sheet ( Hoja de datos )
| Número de pieza | SPFBFT00303 | |
| Descripción | Optical Bidirectional Transceiver | |
| Fabricantes | AVAGO | |
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SPF BFT 003 03
Optical Bidirectional Transceiver for byteflight
Data Sheet
Short description of complete functional unit
The device consists of a LED mounted on a large area
photodiode for bidirectional optical transmission in half
duplex mode. LED and photodiode are driven by the mul-
www.DataSheet4tUif.ucnomction IC E100.34C2 from ELMOS.
The transmitting and receiving functional units with
ELMOS-IC E100.34C2 may be split into the following
blocks:
VDD2
GND
VDD1
DO
Transmitter
LED Driver
LEDO
Features
• Optical transmitter and receiver for maximum datarate
10 Mbaud (half duplex burst mode)
• Transmitter: LED with 650 nm for working in low
attenuation range of PMMA fiber
• Receiver: Photodiode with preamp, digitizer with DC
elimination circuit (tracked decision threshold), Sleep -
and Wake-up-Function, output stage (electrical output
driver)
• Built in transmitter and receiver gate for half duplex
mode (mutual blocking of transmitter and receiver)
• Operation at 5V or 8V-11V power supply voltage
• Built in pulse width detection for indicating Sync,
Alarm and continuous light on (integrated time
basis to differentiate and evaluate Sync, Alarm and
Continuous Light conditions Alarm output)
• Diagnose function for photocurrent
• Mechanical assembly: 6 Pin CAI package for easy
coupling of POF (plastic optical fiber) with insert
LED
DI
ALARM
Receiving amplifier
Figure 1. Basic functional units of SPF BFT3 03
PDI
Photodiode
Safety Hints
Applications of new chip technologies lead to increasing optical efficiency and growing and higher
levels of optical performance. We therefore recommend that the current versions of the IEC 60825-1 and
EN 60825-1 standards are taken into account right from the outset, i.e. at the equipment development stage, and
that suitable protection facilities are provided.
1 page  
Dynamic Characteristics
Parameter
Condition
Symbol min typ max Unit
Signal delay (LEDI -> DO)
Signal delay (DI - > LEDO)
Rise and fall time on DO
Wake-up time [6]
Sleep-in time [7]
Continuous light on time [8]
Locking time with el. signal [9]
Locking time with opt. signal [10]
Duration of diagnosis impulse
www.DataSheet4UPa.cuosembefore diagnosis impulse
CL= 30pF
tdel-Rx
tdel-Tx
tr, tf
twu
tsl
tcl
tlocke
tlocko
tpdi
twdi
10
10
700
300
80
1,17
230 ns
230 ns
30 ns
10 ms
20 ms
11,4 15
µs
1100 ns
700 ns
100 120 ns
1,3 µs
Delay diagnosis impulse
tddi 10
220 ns
Notes:
6. Time between the first optical wake-up pattern and switching into active mode
7. Time between transmitting last bit and switching into sleep mode
8. Duration for detection of continuous light
9. After recognizing High levels on the internal data path at the lock switch input (see block wiring diagram), the other relevant channel is blocked
for this period. This time can not be measured at wafer level and therefore also not at the Byteflight module.
10. After recognizing High levels on the internal data path at the lock switch input (see block wiring diagram), the other relevant channel is blocked
for this period.
Functional description
Block wiring diagram
LEDI
VDD1
GND
Peak-Det.
Biasgenerator
Wake-up Det.
DI Inv
Diagnose
& DO-Treiber
DO
Lock Timer
Lock
Zeitbasis
Modus-
Steuerung
Alarm
ALARM
&
LED-Treiber
LEDO
5 Page 
Disclaimer
The information herein is given to describe certain components and shall not be considered as a guarantee of
characteristics.
Terms of delivery and rights to technical change reserved.We hereby disclaim any and all warranties, including but
not limited to warranties of non-infringement, regarding circuits, descriptions and charts stated herein.
Warnings
Due to technical requirements components may contain dangerous substances. For information on the types in-
question please contact your nearest Avago Technologies Office.
Avago Technologies Components may only be used in life-support devices or systems with the express written
approval of Avago Technologies, if a failure of such components can reasonably be expected to cause the failure
www.DataSheet4U.ocofmthat life-support device or system, or to affect the safety or effectiveness of that device or system. Life support
devices or systems are intended to be implanted in the human body, or to support and/or maintain and sus-
tainand/or protect human life. If they fail, it is reasonable to assume that the health of the user or other persons
maybe endangered.
Information
For further information on technology, delivery terms and conditions and prices please contact your nearest
Avago Technologies Office (www.avagotech.com).
For product information and a complete list of distributors, please go to our web site: www.avagotech.com
Avago, Avago Technologies, and the A logo are trademarks of Avago Technologies, Limited in the United States and other countries.
Data subject to change. Copyright © 2007 Avago Technologies Limited. All rights reserved.
AV01-0740EN - September 12, 2007
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| PDF Descargar | [ Datasheet SPFBFT00303.PDF ] | |
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